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Climatological atlas of the subsurface thermal structure of the eastern tropical South Pacific Ocean
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1991
[PDF-557.42 MB]
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Description:Monthly climatological maps of objectively analyzed fields of temperature are presented at standard oceanographic observation levels from the surface to 300 m depth on a 1 latitude-longitude grid in the region between the Equator and 20 S and between the South American coast and 90°W. The temperature data used in this study were from bathythermograph measurements obtained from 1952 to 1987 from Peruvian and other research vessels; they were made available by research institutions in Peru and the United States and by the National Oceanographic Data Center and the Fleet Numerical Oceanographic Center. The data set was blended with recent data to form a data base containing 14,000 observations. The method of analysis consists of optimally interpolating the value at each mapping grid point, using observations taken at known nearby locations. This method, known as Kriging, is a best linear unbiased estimator that also yields an estimate of the uncertainty of each interpolated value. A brief discussion of the major characteristic features of the temperature fields is given, including a comparison of the SST results with results from other SST climatologies.
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Rights Information:CC0 Public Domain
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